gross anatomy vs anatomy

gross anatomy and anatomy both are nouns.

Word	Noun	Adjective	Verb	Adverb
gross anatomy	Yes	No	No	No
anatomy	Yes	No	No	No

As nouns, anatomy is a hypernym of gross anatomy; that is, anatomy is a word with a broader meaning than gross anatomy:

gross anatomy: the study of the structure of the body and its parts without the use of a microscope
anatomy: the branch of morphology that deals with the structure of animals

Other hypernyms of gross anatomy include general anatomy.

gross anatomy (noun)	anatomy (noun)
the study of the structure of the body and its parts without the use of a microscope	a detailed analysis
	alternative names for the body of a human being
	the branch of morphology that deals with the structure of animals